ASTM D5306-24
(Test Method)Standard Test Method for Linear Flame Propagation Rate of Lubricating Oils and Hydraulic Fluids
Standard Test Method for Linear Flame Propagation Rate of Lubricating Oils and Hydraulic Fluids
SIGNIFICANCE AND USE
5.1 The linear flame propagation rate of a sample is a property that is relevant to the overall assessment of the flammability or relative ignitability of fire resistance lubricants and hydraulic fluids. It is intended to be used as a bench-scale test for distinguishing between the relative resistance to ignition of such materials. It is not intended to be used for the evaluation of the relative flammability of flammable, extremely flammable, or volatile fuels, solvents, or chemicals.
SCOPE
1.1 This test method covers the determination of the linear flame propagation rates of lubricating oils and hydraulic fluids supported on the surfaces of and impregnated into ceramic fiber media. Data thus generated are to be used for the comparison of relative flammability.
1.2 This test method should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test method may be used as elements of fire risk which takes into account all of the factors that are pertinent to an assessment of the fire hazard of a particular end use.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D5306 − 24
Standard Test Method for
Linear Flame Propagation Rate of Lubricating Oils and
1
Hydraulic Fluids
This standard is issued under the fixed designation D5306; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* D4175 Terminology Relating to Petroleum Products, Liquid
Fuels, and Lubricants
1.1 This test method covers the determination of the linear
E691 Practice for Conducting an Interlaboratory Study to
flame propagation rates of lubricating oils and hydraulic fluids
Determine the Precision of a Test Method
supported on the surfaces of and impregnated into ceramic
3
2.2 Military Specifications:
fiber media. Data thus generated are to be used for the
MIL-H-83282C Hydraulic Fluid, Fire Resistant, Synthetic
comparison of relative flammability.
Hydrocarbon Base, Aircraft NATO Code Number H-537
1.2 This test method should be used to measure and describe
MIL-H-46170B Amm.1, Hydraulic Fluid, Rust Inhibited,
the properties of materials, products, or assemblies in response
Fire Resistant, Synthetic Hydrocarbon Base
to heat and flame under controlled laboratory conditions and
should not be used to describe or appraise the fire hazard or fire
3. Terminology
risk of materials, products, or assemblies under actual fire
3.1 Definitions:
conditions. However, results of this test method may be used as
3.1.1 For definitions of terms used in this test method, refer
elements of fire risk which takes into account all of the factors
to Terminology D4175.
that are pertinent to an assessment of the fire hazard of a
3.2 Definitions of Terms Specific to This Standard:
particular end use.
3.2.1 linear flame propagation rate, n—the average quotient
1.3 The values stated in SI units are to be regarded as
of the distance of flame travel and the time required for the
standard. No other units of measurement are included in this
flame front to travel that distance.
standard.
1.4 This standard does not purport to address all of the
4. Summary of Test Method
safety concerns, if any, associated with its use. It is the
4.1 A section of a ceramic fiber support medium (string) is
responsibility of the user of this standard to establish appro-
impregnated with the sample under specific conditions. The
priate safety, health, and environmental practices and deter-
impregnated fiber is placed on a standard support. The sample
mine the applicability of regulatory limitations prior to use.
is ignited and the time required for the flame front to propagate
1.5 This international standard was developed in accor-
across a measured distance is determined by use of a thermo-
dance with internationally recognized principles on standard-
electric system. The average propagation rate is then calculated
ization established in the Decision on Principles for the
from the measured distance of flame travel and the time
Development of International Standards, Guides and Recom-
required for the flame front to propagate over that distance.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
5. Significance and Use
2. Referenced Documents
5.1 The linear flame propagation rate of a sample is a
2
property that is relevant to the overall assessment of the
2.1 ASTM Standards:
flammability or relative ignitability of fire resistance lubricants
and hydraulic fluids. It is intended to be used as a bench-scale
1
This test method is under the jurisdiction of ASTM Committee D02 on
test for distinguishing between the relative resistance to igni-
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
tion of such materials. It is not intended to be used for the
Subcommittee D02.N0 on Hydraulic Fluids.
evaluation of the relative flammability of flammable, extremely
Current edition approved March 1, 2024. Published March 2024. Originally
approved in 1992. Last previous edition approved in 2018 as D5306 – 92 (2018).
flammable, or volatile fuels, solvents, or chemicals.
DOI: 10.1520/D5306-24.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from DLA Document Services, Bldg. 4, Section D, 700 Robbins
the ASTM website. Ave., Philadelphia, PA 19111-5094, https://assist.dla.mil/online/start.
*A Summary of Changes section appears at the end of this standard
Copyright © A
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D5306 − 92 (Reapproved 2018) D5306 − 24
Standard Test Method for
Linear Flame Propagation Rate of Lubricating Oils and
1
Hydraulic Fluids
This standard is issued under the fixed designation D5306; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Scope*
1.1 This test method covers the determination of the linear flame propagation rates of lubricating oils and hydraulic fluids
supported on the surfaces of and impregnated into ceramic fiber media. Data thus generated are to be used for the comparison of
relative flammability.
1.2 This test method should be used to measure and describe the properties of materials, products, or assemblies in response to
heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk
of materials, products, or assemblies under actual fire conditions. However, results of this test method may be used as elements
of fire risk which takes into account all of the factors that are pertinent to an assessment of the fire hazard of a particular end use.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of
regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
D4175 Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
3
2.2 Military Specifications:
MIL-H-83282C Hydraulic Fluid, Fire Resistant, Synthetic Hydrocarbon Base, Aircraft NATO Code Number H-537
MIL-H-46170B Amm.1, Hydraulic Fluid, Rust Inhibited, Fire Resistant, Synthetic Hydrocarbon Base
3. Terminology
3.1 Definitions:
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee
D02.N0 on Hydraulic Fluids.
Current edition approved Oct. 1, 2018March 1, 2024. Published November 2018March 2024. Originally approved in 1992. Last previous edition approved in 20132018
as D5306 – 92 (2013).(2018). DOI: 10.1520/D5306-92R18.10.1520/D5306-24.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from DLA Document Services, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, https://assist.dla.mil/online/start.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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D5306 − 24
3.1.1 For definitions of terms used in this test method, refer to Terminology D4175.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 linear flame propagation rate, n—the average quotient of the distance of flame travel and the time required for the flame
front to travel that distance.
4. Summary of Test Method
4.1 A section of a ceramic fiber support medium (string) is impregnated with the sample under specific conditions. The
impregnated fiber is placed on a standard support. The sample is ignited and the time required for the flame front to propagate
across a measured distance is determined by use of a thermoelectric system. The average propagation rate is then calculated from
the measured distance of flame travel and the time required for the flame front to propagate over that distance.
5. Significance and Use
5.1 The linear flame propagation rate of a sample is a property that is relevant to the overall assessment of t
...
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